Lightning Talk: Ul To Debug Target Relabeling Rules
summary
Adds a visualizer into the Prometheus UI that shows the discovered labels for each target, then steps through each relabeling rule and highlights diffs (added, changed, removed labels) so you can see exactly which rule causes a drop. Demonstrates a dropped target caused by a relabel hashmod keep action not matching the temporary hash, and notes this was previously available as a standalone at relabeler.promlabs.com and is now submitted as a Prometheus PR.
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